单词 | drop-keel |
释义 | > as lemmasdrop-keel drop-keel n. Brit. /ˈdrɒpkiːl/ , U.S. /ˈdrɑpˌkil/ a movable keel which can be lowered below the bottom of a boat; a centre-board.ΘΚΠ society > travel > travel by water > vessel, ship, or boat > parts of vessels > body of vessel > bottom or part under water > [noun] > keel and kelson > keel > types of sliding keel1797 centreboard1828 bilge-keel1850 ram1851 rocker1859 sidebar keel1869 bar-keel1874 plate-keel1874 bilge-piece1880 fin1885 bulb-keel1893 fin-keel1893 ballast fin1894 bulb-fin1894 plate1895 drop-keel1896 1896 Westm. Gaz. 12 May 2/1 To steady the boat still further, it carries a water ballast, or a drop-keel. drop-keel drop-keel n. (a) a centre-board; (b) a projecting keel, as distinguished from a flat plate-keel.extracted from keeln.1< as lemmas |
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